Databases

Data Systems | Databases | Mapping | Water Quality Models

• STOrage and RETrieval System for National Water Data (STORET)
• Safe Drinking Water Information System, Federal Version
• Safe Drinking Water Information System, State Version

• Beach Watch
• Clean Water Needs Survey
• Latest National Listing of Fish Consumption Advisories: Database
• National Contaminant Occurrence Database
• Nutrient Criteria Database
• Information Collection Rule
• Water Quality Standards Data Base

• National Hydrography Dataset (NHD)
  The National Hydrography Dataset is a comprehensive coverage of hydrographic data for the United States. It was developed by combining EPA Reach File version 3 (RF3) and the USGS Digital Line Graph (DLG) coverages. Information on previous versions of EPA Reach Files is availale.
  
  
• Watershed Assessment, Tracking and Environmental Results (WATERS)
  The WATERS information system uses EPA's standard mapping application to display water quality information about local waters. WATERS unifies information about water quality goals from EPA's Water Quality Standards Database with information about impaired waters from EPA's Total Maximum Daily Load (TMDL) Database. A PDF version of the WATERS factsheet (PDF format, 14K) is available.

• BASINS
• Enhanced Stream Water Quality Model, Windows (QUAL2E)
• Aquatox
• CORMIX
• Mercury Maps
• Allocating Loads

Water | Wetlands, Oceans & Watersheds

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